Longest time survived trapped underground

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The longest time survived trapped underground is 69 days by "The 33 of San Jose", (32 Chilean and 1 Bolivian), who were trapped 688 m (2,257 ft) below the surface after the collapse of the San José copper-gold mine, near Copiapó, Chile, on 5 August 2010.

All 33 men made it safely back to the surface via a rescue capsule. The last miner was lifted to safety at 21:55 CLDT on 13 October 2010.
A drill was used to reach the miners and then a capsule was lovered down the shaft, winching each miner up individually, with each lift taking around 15 minutes each.